﻿/*
===========================================================================
Immemorsion LGPL Source code
Copyright trszdev - rahimyanov@gmail.com

This file is part of Immemorsion.

Immemorsion is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Immemorsion is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with Immemorsion.  If not, see <http://www.gnu.org/licenses/>.
===========================================================================
*/

using System;
using Immemorsion.PlatformApi;

namespace Immemorsion
{

    public class ProcessMemoryHandle : IProcessMemoryHandle
    {
        public ProcessMemoryHandle (IntPtr processHandle)
        {
            ProcessHandle = processHandle;
            IsBroken = false;
        }

        public void Update()
        {
            IntPtr bytesRead;
            WindowsApi.ReadProcessMemory(ProcessHandle, (IntPtr)BaseAddress.Value, Bytes, (uint)Length, out bytesRead);
            IsBroken = bytesRead.ToInt32() != Length;
        }

        public bool IsBroken { get; private set; }
        public IntPtr ProcessHandle { get; private set; }
        public byte[] Bytes { get; private set; }
        public MemoryAddress BaseAddress { get; set; }

        private int _Length = 0;
        public int Length { 
            get
            {
                return _Length;
            }
            set
            {
                if (value != _Length)
                {
                    Bytes = new byte[value];
                }
                _Length = value;
            }
        }
    }
}
